And because UI matters. AI chat seems more tailored to your own problem since your giving it your inputs. And AI chat is more authoritative, cause it mimics the way doctors talk.
To be a bit uncharitable: a sick person seems to want certainty more than anything, which they can project onto an AI much more easily than through work with a careful doctor.
Because AI, ChatGPT in particular is programmed not to offend you, and will compliment you for your ”great” analysis and only make your delusion worse.
